QxOrm  1.2.7
C++ Object Relational Mapping library
is_smart_ptr.h
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00001 /****************************************************************************
00002 **
00003 ** http://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
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00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
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00031 
00032 #ifndef _QX_IS_SMART_PTR_H_
00033 #define _QX_IS_SMART_PTR_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <boost/mpl/if.hpp>
00047 #include <boost/mpl/or.hpp>
00048 #include <boost/mpl/logical.hpp>
00049 
00050 #include <QxTraits/is_boost_intrusive_ptr.h>
00051 #include <QxTraits/is_boost_scoped_ptr.h>
00052 #include <QxTraits/is_boost_shared_ptr.h>
00053 #include <QxTraits/is_boost_weak_ptr.h>
00054 #include <QxTraits/is_qt_shared_data_ptr.h>
00055 #include <QxTraits/is_qt_scoped_ptr.h>
00056 #include <QxTraits/is_qt_shared_ptr.h>
00057 #include <QxTraits/is_qt_weak_ptr.h>
00058 #include <QxTraits/is_qx_dao_ptr.h>
00059 
00060 namespace qx {
00061 namespace trait {
00062 
00067 template <typename T>
00068 class is_smart_ptr
00069 {
00070 
00071 private:
00072 
00073    typedef typename boost::mpl::or_< qx::trait::is_qx_dao_ptr<T>, 
00074                                      qx::trait::is_boost_intrusive_ptr<T>, 
00075                                      qx::trait::is_boost_scoped_ptr<T>, 
00076                                      qx::trait::is_boost_shared_ptr<T>, 
00077                                      qx::trait::is_boost_weak_ptr<T> >::type cond_is_boost_smart_ptr;
00078 
00079    typedef typename boost::mpl::or_< typename qx::trait::is_smart_ptr<T>::cond_is_boost_smart_ptr, 
00080                                      qx::trait::is_qt_scoped_ptr<T>, 
00081                                      qx::trait::is_qt_shared_ptr<T>, 
00082                                      qx::trait::is_qt_weak_ptr<T>, 
00083                                      qx::trait::is_qt_shared_data_ptr<T> >::type cond_is_smart_ptr;
00084 
00085    typedef typename boost::mpl::if_< typename qx::trait::is_smart_ptr<T>::cond_is_smart_ptr, 
00086                                      boost::mpl::true_, 
00087                                      boost::mpl::false_ >::type type_is_smart_ptr;
00088 
00089 public:
00090 
00091    enum { value = qx::trait::is_smart_ptr<T>::type_is_smart_ptr::value };
00092 
00093    typedef typename qx::trait::is_smart_ptr<T>::type_is_smart_ptr type;
00094 
00095 };
00096 
00097 } // namespace trait
00098 } // namespace qx
00099 
00100 #endif // _QX_IS_SMART_PTR_H_